Three new electric scooters have just been launched by New York's evolve motorcycles. All models use lithium-ion batteries which are said to offer the highest ranges in the industry, feature the latest electrical and charging technologies, and come with one year's roadside assistance. The top-of-the-range titanium model has a range of 60 miles (96.5 km) and a top speed of 70 mph (112.6 km/h), but even the featherweight of the bunch can manage a respectable 40 mph (64.3 km/h). There's also a smartphone app in development, that will allow riders to connect and share on the road.